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Let, after x days A leave. Let the total work is the 120 units (LCM of 30 and 40) Efficiency of A is 120 / 30 = 4 units The efficiency of B is 120/40 = 3 units So, after x days they both work together. According to the question, (4+3) x x + 26 x 3 = 120 7x + 78 = 120 7x = 42 x = 42/7 days =6 days.
Why is cast iron commonly used for making the body of centrifugal pumps?
Dropping of seeds in furrow lines in a continuous flow and covering them with soil is called as-
Which among the following is a physiological disorder in rice that results from zinc deficiency and causes stunted growth and bronzing of leaves?
Water movement in a saturated soil is governed by
Leaf puckering due to uneven tissue growth is termed:
The receptor of gibberellin
Which among the following nutrient deficiencies is first observed as interveinal chlorosis on older leaves due to its mobility within the plant?
Insectivorous plant show which type of movements?
During mitosis, the centromere divides at:
One bale of jute is